Commit 91630032 authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
Browse files

s390/pci: enable NEED_DMA_MAP_STATE 



The DMA API allows to avoid DMA unmaps because they are NOPs on some
plattforms. But not on s390, so force them.

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent c59b9f92

arch/s390/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -479,6 +479,9 @@ config NEED_SG_DMA_LENGTH 
config HAVE_DMA_ATTRS

	def_bool PCI



config NEED_DMA_MAP_STATE

	def_bool PCI



config CHSC_SCH

	def_tristate m

	prompt "Support for CHSC subchannels"